xref: /openbmc/linux/drivers/gpu/drm/lima/lima_regs.h (revision 500edbbd)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright 2010-2017 ARM Limited. All rights reserved.
3  * Copyright 2017-2019 Qiang Yu <yuq825@gmail.com>
4  */
5 
6 #ifndef __LIMA_REGS_H__
7 #define __LIMA_REGS_H__
8 
9 /* This file's register definition is collected from the
10  * official ARM Mali Utgard GPU kernel driver source code
11  */
12 
13 /* PMU regs */
14 #define LIMA_PMU_POWER_UP                  0x00
15 #define LIMA_PMU_POWER_DOWN                0x04
16 #define   LIMA_PMU_POWER_GP0_MASK          BIT(0)
17 #define   LIMA_PMU_POWER_L2_MASK           BIT(1)
18 #define   LIMA_PMU_POWER_PP_MASK(i)        BIT(2 + i)
19 
20 /*
21  * On Mali450 each block automatically starts up its corresponding L2
22  * and the PPs are not fully independent controllable.
23  * Instead PP0, PP1-3 and PP4-7 can be turned on or off.
24  */
25 #define   LIMA450_PMU_POWER_PP0_MASK       BIT(1)
26 #define   LIMA450_PMU_POWER_PP13_MASK      BIT(2)
27 #define   LIMA450_PMU_POWER_PP47_MASK      BIT(3)
28 
29 #define LIMA_PMU_STATUS                    0x08
30 #define LIMA_PMU_INT_MASK                  0x0C
31 #define LIMA_PMU_INT_RAWSTAT               0x10
32 #define LIMA_PMU_INT_CLEAR                 0x18
33 #define   LIMA_PMU_INT_CMD_MASK            BIT(0)
34 #define LIMA_PMU_SW_DELAY                  0x1C
35 
36 /* L2 cache regs */
37 #define LIMA_L2_CACHE_SIZE                   0x0004
38 #define LIMA_L2_CACHE_STATUS                 0x0008
39 #define   LIMA_L2_CACHE_STATUS_COMMAND_BUSY  BIT(0)
40 #define   LIMA_L2_CACHE_STATUS_DATA_BUSY     BIT(1)
41 #define LIMA_L2_CACHE_COMMAND                0x0010
42 #define   LIMA_L2_CACHE_COMMAND_CLEAR_ALL    BIT(0)
43 #define LIMA_L2_CACHE_CLEAR_PAGE             0x0014
44 #define LIMA_L2_CACHE_MAX_READS              0x0018
45 #define LIMA_L2_CACHE_ENABLE                 0x001C
46 #define   LIMA_L2_CACHE_ENABLE_ACCESS        BIT(0)
47 #define   LIMA_L2_CACHE_ENABLE_READ_ALLOCATE BIT(1)
48 #define LIMA_L2_CACHE_PERFCNT_SRC0           0x0020
49 #define LIMA_L2_CACHE_PERFCNT_VAL0           0x0024
50 #define LIMA_L2_CACHE_PERFCNT_SRC1           0x0028
51 #define LIMA_L2_CACHE_ERFCNT_VAL1            0x002C
52 
53 /* GP regs */
54 #define LIMA_GP_VSCL_START_ADDR                0x00
55 #define LIMA_GP_VSCL_END_ADDR                  0x04
56 #define LIMA_GP_PLBUCL_START_ADDR              0x08
57 #define LIMA_GP_PLBUCL_END_ADDR                0x0c
58 #define LIMA_GP_PLBU_ALLOC_START_ADDR          0x10
59 #define LIMA_GP_PLBU_ALLOC_END_ADDR            0x14
60 #define LIMA_GP_CMD                            0x20
61 #define   LIMA_GP_CMD_START_VS                 BIT(0)
62 #define   LIMA_GP_CMD_START_PLBU               BIT(1)
63 #define   LIMA_GP_CMD_UPDATE_PLBU_ALLOC        BIT(4)
64 #define   LIMA_GP_CMD_RESET                    BIT(5)
65 #define   LIMA_GP_CMD_FORCE_HANG               BIT(6)
66 #define   LIMA_GP_CMD_STOP_BUS                 BIT(9)
67 #define   LIMA_GP_CMD_SOFT_RESET               BIT(10)
68 #define LIMA_GP_INT_RAWSTAT                    0x24
69 #define LIMA_GP_INT_CLEAR                      0x28
70 #define LIMA_GP_INT_MASK                       0x2C
71 #define LIMA_GP_INT_STAT                       0x30
72 #define   LIMA_GP_IRQ_VS_END_CMD_LST           BIT(0)
73 #define   LIMA_GP_IRQ_PLBU_END_CMD_LST         BIT(1)
74 #define   LIMA_GP_IRQ_PLBU_OUT_OF_MEM          BIT(2)
75 #define   LIMA_GP_IRQ_VS_SEM_IRQ               BIT(3)
76 #define   LIMA_GP_IRQ_PLBU_SEM_IRQ             BIT(4)
77 #define   LIMA_GP_IRQ_HANG                     BIT(5)
78 #define   LIMA_GP_IRQ_FORCE_HANG               BIT(6)
79 #define   LIMA_GP_IRQ_PERF_CNT_0_LIMIT         BIT(7)
80 #define   LIMA_GP_IRQ_PERF_CNT_1_LIMIT         BIT(8)
81 #define   LIMA_GP_IRQ_WRITE_BOUND_ERR          BIT(9)
82 #define   LIMA_GP_IRQ_SYNC_ERROR               BIT(10)
83 #define   LIMA_GP_IRQ_AXI_BUS_ERROR            BIT(11)
84 #define   LIMA_GP_IRQ_AXI_BUS_STOPPED          BIT(12)
85 #define   LIMA_GP_IRQ_VS_INVALID_CMD           BIT(13)
86 #define   LIMA_GP_IRQ_PLB_INVALID_CMD          BIT(14)
87 #define   LIMA_GP_IRQ_RESET_COMPLETED          BIT(19)
88 #define   LIMA_GP_IRQ_SEMAPHORE_UNDERFLOW      BIT(20)
89 #define   LIMA_GP_IRQ_SEMAPHORE_OVERFLOW       BIT(21)
90 #define   LIMA_GP_IRQ_PTR_ARRAY_OUT_OF_BOUNDS  BIT(22)
91 #define LIMA_GP_WRITE_BOUND_LOW                0x34
92 #define LIMA_GP_PERF_CNT_0_ENABLE              0x3C
93 #define LIMA_GP_PERF_CNT_1_ENABLE              0x40
94 #define LIMA_GP_PERF_CNT_0_SRC                 0x44
95 #define LIMA_GP_PERF_CNT_1_SRC                 0x48
96 #define LIMA_GP_PERF_CNT_0_VALUE               0x4C
97 #define LIMA_GP_PERF_CNT_1_VALUE               0x50
98 #define LIMA_GP_PERF_CNT_0_LIMIT               0x54
99 #define LIMA_GP_STATUS                         0x68
100 #define   LIMA_GP_STATUS_VS_ACTIVE             BIT(1)
101 #define   LIMA_GP_STATUS_BUS_STOPPED           BIT(2)
102 #define   LIMA_GP_STATUS_PLBU_ACTIVE           BIT(3)
103 #define   LIMA_GP_STATUS_BUS_ERROR             BIT(6)
104 #define   LIMA_GP_STATUS_WRITE_BOUND_ERR       BIT(8)
105 #define LIMA_GP_VERSION                        0x6C
106 #define LIMA_GP_VSCL_START_ADDR_READ           0x80
107 #define LIMA_GP_PLBCL_START_ADDR_READ          0x84
108 #define LIMA_GP_CONTR_AXI_BUS_ERROR_STAT       0x94
109 
110 #define LIMA_GP_IRQ_MASK_ALL		   \
111 	(				   \
112 	 LIMA_GP_IRQ_VS_END_CMD_LST      | \
113 	 LIMA_GP_IRQ_PLBU_END_CMD_LST    | \
114 	 LIMA_GP_IRQ_PLBU_OUT_OF_MEM     | \
115 	 LIMA_GP_IRQ_VS_SEM_IRQ          | \
116 	 LIMA_GP_IRQ_PLBU_SEM_IRQ        | \
117 	 LIMA_GP_IRQ_HANG                | \
118 	 LIMA_GP_IRQ_FORCE_HANG          | \
119 	 LIMA_GP_IRQ_PERF_CNT_0_LIMIT    | \
120 	 LIMA_GP_IRQ_PERF_CNT_1_LIMIT    | \
121 	 LIMA_GP_IRQ_WRITE_BOUND_ERR     | \
122 	 LIMA_GP_IRQ_SYNC_ERROR          | \
123 	 LIMA_GP_IRQ_AXI_BUS_ERROR       | \
124 	 LIMA_GP_IRQ_AXI_BUS_STOPPED     | \
125 	 LIMA_GP_IRQ_VS_INVALID_CMD      | \
126 	 LIMA_GP_IRQ_PLB_INVALID_CMD     | \
127 	 LIMA_GP_IRQ_RESET_COMPLETED     | \
128 	 LIMA_GP_IRQ_SEMAPHORE_UNDERFLOW | \
129 	 LIMA_GP_IRQ_SEMAPHORE_OVERFLOW  | \
130 	 LIMA_GP_IRQ_PTR_ARRAY_OUT_OF_BOUNDS)
131 
132 #define LIMA_GP_IRQ_MASK_ERROR             \
133 	(                                  \
134 	 LIMA_GP_IRQ_PLBU_OUT_OF_MEM     | \
135 	 LIMA_GP_IRQ_FORCE_HANG          | \
136 	 LIMA_GP_IRQ_WRITE_BOUND_ERR     | \
137 	 LIMA_GP_IRQ_SYNC_ERROR          | \
138 	 LIMA_GP_IRQ_AXI_BUS_ERROR       | \
139 	 LIMA_GP_IRQ_VS_INVALID_CMD      | \
140 	 LIMA_GP_IRQ_PLB_INVALID_CMD     | \
141 	 LIMA_GP_IRQ_SEMAPHORE_UNDERFLOW | \
142 	 LIMA_GP_IRQ_SEMAPHORE_OVERFLOW  | \
143 	 LIMA_GP_IRQ_PTR_ARRAY_OUT_OF_BOUNDS)
144 
145 #define LIMA_GP_IRQ_MASK_USED		   \
146 	(				   \
147 	 LIMA_GP_IRQ_VS_END_CMD_LST      | \
148 	 LIMA_GP_IRQ_PLBU_END_CMD_LST    | \
149 	 LIMA_GP_IRQ_MASK_ERROR)
150 
151 /* PP regs */
152 #define LIMA_PP_FRAME                        0x0000
153 #define LIMA_PP_RSW			     0x0004
154 #define LIMA_PP_STACK			     0x0030
155 #define LIMA_PP_STACK_SIZE		     0x0034
156 #define LIMA_PP_ORIGIN_OFFSET_X	             0x0040
157 #define LIMA_PP_WB(i)                        (0x0100 * (i + 1))
158 #define   LIMA_PP_WB_SOURCE_SELECT           0x0000
159 #define	  LIMA_PP_WB_SOURCE_ADDR             0x0004
160 
161 #define LIMA_PP_VERSION                      0x1000
162 #define LIMA_PP_CURRENT_REND_LIST_ADDR       0x1004
163 #define LIMA_PP_STATUS                       0x1008
164 #define   LIMA_PP_STATUS_RENDERING_ACTIVE    BIT(0)
165 #define   LIMA_PP_STATUS_BUS_STOPPED         BIT(4)
166 #define LIMA_PP_CTRL                         0x100c
167 #define   LIMA_PP_CTRL_STOP_BUS              BIT(0)
168 #define   LIMA_PP_CTRL_FLUSH_CACHES          BIT(3)
169 #define   LIMA_PP_CTRL_FORCE_RESET           BIT(5)
170 #define   LIMA_PP_CTRL_START_RENDERING       BIT(6)
171 #define   LIMA_PP_CTRL_SOFT_RESET            BIT(7)
172 #define LIMA_PP_INT_RAWSTAT                  0x1020
173 #define LIMA_PP_INT_CLEAR                    0x1024
174 #define LIMA_PP_INT_MASK                     0x1028
175 #define LIMA_PP_INT_STATUS                   0x102c
176 #define   LIMA_PP_IRQ_END_OF_FRAME           BIT(0)
177 #define   LIMA_PP_IRQ_END_OF_TILE            BIT(1)
178 #define   LIMA_PP_IRQ_HANG                   BIT(2)
179 #define   LIMA_PP_IRQ_FORCE_HANG             BIT(3)
180 #define   LIMA_PP_IRQ_BUS_ERROR              BIT(4)
181 #define   LIMA_PP_IRQ_BUS_STOP               BIT(5)
182 #define   LIMA_PP_IRQ_CNT_0_LIMIT            BIT(6)
183 #define   LIMA_PP_IRQ_CNT_1_LIMIT            BIT(7)
184 #define   LIMA_PP_IRQ_WRITE_BOUNDARY_ERROR   BIT(8)
185 #define   LIMA_PP_IRQ_INVALID_PLIST_COMMAND  BIT(9)
186 #define   LIMA_PP_IRQ_CALL_STACK_UNDERFLOW   BIT(10)
187 #define   LIMA_PP_IRQ_CALL_STACK_OVERFLOW    BIT(11)
188 #define   LIMA_PP_IRQ_RESET_COMPLETED        BIT(12)
189 #define LIMA_PP_WRITE_BOUNDARY_LOW           0x1044
190 #define LIMA_PP_BUS_ERROR_STATUS             0x1050
191 #define LIMA_PP_PERF_CNT_0_ENABLE            0x1080
192 #define LIMA_PP_PERF_CNT_0_SRC               0x1084
193 #define LIMA_PP_PERF_CNT_0_LIMIT             0x1088
194 #define LIMA_PP_PERF_CNT_0_VALUE             0x108c
195 #define LIMA_PP_PERF_CNT_1_ENABLE            0x10a0
196 #define LIMA_PP_PERF_CNT_1_SRC               0x10a4
197 #define LIMA_PP_PERF_CNT_1_LIMIT             0x10a8
198 #define LIMA_PP_PERF_CNT_1_VALUE             0x10ac
199 #define LIMA_PP_PERFMON_CONTR                0x10b0
200 #define LIMA_PP_PERFMON_BASE                 0x10b4
201 
202 #define LIMA_PP_IRQ_MASK_ALL                 \
203 	(                                    \
204 	 LIMA_PP_IRQ_END_OF_FRAME          | \
205 	 LIMA_PP_IRQ_END_OF_TILE           | \
206 	 LIMA_PP_IRQ_HANG                  | \
207 	 LIMA_PP_IRQ_FORCE_HANG            | \
208 	 LIMA_PP_IRQ_BUS_ERROR             | \
209 	 LIMA_PP_IRQ_BUS_STOP              | \
210 	 LIMA_PP_IRQ_CNT_0_LIMIT           | \
211 	 LIMA_PP_IRQ_CNT_1_LIMIT           | \
212 	 LIMA_PP_IRQ_WRITE_BOUNDARY_ERROR  | \
213 	 LIMA_PP_IRQ_INVALID_PLIST_COMMAND | \
214 	 LIMA_PP_IRQ_CALL_STACK_UNDERFLOW  | \
215 	 LIMA_PP_IRQ_CALL_STACK_OVERFLOW   | \
216 	 LIMA_PP_IRQ_RESET_COMPLETED)
217 
218 #define LIMA_PP_IRQ_MASK_ERROR               \
219 	(                                    \
220 	 LIMA_PP_IRQ_FORCE_HANG            | \
221 	 LIMA_PP_IRQ_BUS_ERROR             | \
222 	 LIMA_PP_IRQ_WRITE_BOUNDARY_ERROR  | \
223 	 LIMA_PP_IRQ_INVALID_PLIST_COMMAND | \
224 	 LIMA_PP_IRQ_CALL_STACK_UNDERFLOW  | \
225 	 LIMA_PP_IRQ_CALL_STACK_OVERFLOW)
226 
227 #define LIMA_PP_IRQ_MASK_USED                \
228 	(                                    \
229 	 LIMA_PP_IRQ_END_OF_FRAME          | \
230 	 LIMA_PP_IRQ_MASK_ERROR)
231 
232 /* MMU regs */
233 #define LIMA_MMU_DTE_ADDR                     0x0000
234 #define LIMA_MMU_STATUS                       0x0004
235 #define   LIMA_MMU_STATUS_PAGING_ENABLED      BIT(0)
236 #define   LIMA_MMU_STATUS_PAGE_FAULT_ACTIVE   BIT(1)
237 #define   LIMA_MMU_STATUS_STALL_ACTIVE        BIT(2)
238 #define   LIMA_MMU_STATUS_IDLE                BIT(3)
239 #define   LIMA_MMU_STATUS_REPLAY_BUFFER_EMPTY BIT(4)
240 #define   LIMA_MMU_STATUS_PAGE_FAULT_IS_WRITE BIT(5)
241 #define   LIMA_MMU_STATUS_BUS_ID(x)           ((x >> 6) & 0x1F)
242 #define   LIMA_MMU_STATUS_STALL_NOT_ACTIVE    BIT(31)
243 #define LIMA_MMU_COMMAND                      0x0008
244 #define   LIMA_MMU_COMMAND_ENABLE_PAGING      0x00
245 #define   LIMA_MMU_COMMAND_DISABLE_PAGING     0x01
246 #define   LIMA_MMU_COMMAND_ENABLE_STALL       0x02
247 #define   LIMA_MMU_COMMAND_DISABLE_STALL      0x03
248 #define   LIMA_MMU_COMMAND_ZAP_CACHE          0x04
249 #define   LIMA_MMU_COMMAND_PAGE_FAULT_DONE    0x05
250 #define   LIMA_MMU_COMMAND_HARD_RESET         0x06
251 #define LIMA_MMU_PAGE_FAULT_ADDR              0x000C
252 #define LIMA_MMU_ZAP_ONE_LINE                 0x0010
253 #define LIMA_MMU_INT_RAWSTAT                  0x0014
254 #define LIMA_MMU_INT_CLEAR                    0x0018
255 #define LIMA_MMU_INT_MASK                     0x001C
256 #define   LIMA_MMU_INT_PAGE_FAULT             BIT(0)
257 #define   LIMA_MMU_INT_READ_BUS_ERROR         BIT(1)
258 #define LIMA_MMU_INT_STATUS                   0x0020
259 
260 #define LIMA_VM_FLAG_PRESENT          BIT(0)
261 #define LIMA_VM_FLAG_READ_PERMISSION  BIT(1)
262 #define LIMA_VM_FLAG_WRITE_PERMISSION BIT(2)
263 #define LIMA_VM_FLAG_OVERRIDE_CACHE   BIT(3)
264 #define LIMA_VM_FLAG_WRITE_CACHEABLE  BIT(4)
265 #define LIMA_VM_FLAG_WRITE_ALLOCATE   BIT(5)
266 #define LIMA_VM_FLAG_WRITE_BUFFERABLE BIT(6)
267 #define LIMA_VM_FLAG_READ_CACHEABLE   BIT(7)
268 #define LIMA_VM_FLAG_READ_ALLOCATE    BIT(8)
269 #define LIMA_VM_FLAG_MASK             0x1FF
270 
271 #define LIMA_VM_FLAGS_CACHE (			 \
272 		LIMA_VM_FLAG_PRESENT |		 \
273 		LIMA_VM_FLAG_READ_PERMISSION |	 \
274 		LIMA_VM_FLAG_WRITE_PERMISSION |	 \
275 		LIMA_VM_FLAG_OVERRIDE_CACHE |	 \
276 		LIMA_VM_FLAG_WRITE_CACHEABLE |	 \
277 		LIMA_VM_FLAG_WRITE_BUFFERABLE |	 \
278 		LIMA_VM_FLAG_READ_CACHEABLE |	 \
279 		LIMA_VM_FLAG_READ_ALLOCATE)
280 
281 #define LIMA_VM_FLAGS_UNCACHE (			\
282 		LIMA_VM_FLAG_PRESENT |		\
283 		LIMA_VM_FLAG_READ_PERMISSION |	\
284 		LIMA_VM_FLAG_WRITE_PERMISSION)
285 
286 /* DLBU regs */
287 #define LIMA_DLBU_MASTER_TLLIST_PHYS_ADDR  0x0000
288 #define	LIMA_DLBU_MASTER_TLLIST_VADDR      0x0004
289 #define	LIMA_DLBU_TLLIST_VBASEADDR         0x0008
290 #define	LIMA_DLBU_FB_DIM                   0x000C
291 #define	LIMA_DLBU_TLLIST_CONF              0x0010
292 #define	LIMA_DLBU_START_TILE_POS           0x0014
293 #define	LIMA_DLBU_PP_ENABLE_MASK           0x0018
294 
295 /* BCAST regs */
296 #define LIMA_BCAST_BROADCAST_MASK    0x0
297 #define LIMA_BCAST_INTERRUPT_MASK    0x4
298 
299 #endif
300